Volume 12 Number 8 (Aug. 2021)

Article#	Title & Authors	Page
1344	IoT Based Car Pollution Detection Using Cloud Computing by Thamilvaani Arvaree and Thinakaran Perumal	226
1345	Overview on Bioconversion of Domestic Wastewater Sewage Sludge into Green Energy: Biogas and Hydrogen by Joseph K. Bwapwa	232
1346	Metamorphism Indicators for Establishing the Endogenic Fire Hazard of Coal Mining Plants in Mining by V. Tarasov, M. Antoshchenko, Y. Rudniev, O. Zolotarova, and N. Davidenko	242
1347	(In)Conveniently Disposable: Waste Concern doesn‟t Affect Plastic Consumption by Angela T. Ragusa and Andrea Crampton	249